Unusual Lewis-acid catalyzed formal (3+3)-cycloaddition of azomethine imines and nitrones to N-vinylpyrroles
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DOI: 10.1016/j.tet.2016.12.034
Abstract: Abstract The addition of Lewis acids change the reaction mechanism of the cycloaddition of N-vinylpyrroles with azomethine imine and C,N-diarylnitrones. The formal (3+3)-cycloaddition is observed instead of (3+2)-dipolar cycloaddition, which take place in the absence… read more here.
Keywords: cycloaddition; lewis acid; unusual lewis; formal cycloaddition ... See more keywords